Won gyun Seok

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Uiwang-si, KR

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Patents Grantslast 30 patents

Information Patent Grant
Steel frame structure using U-shaped composite beam
- Patent number 8,915,042
- Issue date Dec 23, 2014
- DRB Holding Co., Ltd.
- Tae Sang Ahn
- E04 - BUILDING

Patents Applicationslast 30 patents

Information Patent Application
STEEL FRAME STRUCTURE USING U-SHAPED COMPOSITE BEAM
- Publication number 20130283721
- Publication date Oct 31, 2013
- Tae Sang Ahn
- E04 - BUILDING